GitHub user facaiy opened a pull request:
https://github.com/apache/spark/pull/17556
[SPARK-16957][MLlib] Use weighted midpoints for split values.
## What changes were proposed in this pull request?
Use weighted midpoints for split values.
## How was this patch tested?
+ [x] add unit test.
+ [x] modify Split's unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/facaiy/spark
ENH/decision_tree_overflow_and_precision_in_aggregation
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17556.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17556
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commit 45b74930eea787411855fc35a7ad7198b35d577e
Author: é¢åæï¼Yan Facaiï¼ <[email protected]>
Date: 2017-04-07T04:02:13Z
TST: add test case
commit c49d3ae7db0e66855b0c896375b11bf51d9ac482
Author: é¢åæï¼Yan Facaiï¼ <[email protected]>
Date: 2017-04-07T04:05:36Z
ENH: use weighted midpoints
commit 387eb498054289149706ecd2f88593d008fd074f
Author: é¢åæï¼Yan Facaiï¼ <[email protected]>
Date: 2017-04-07T04:13:44Z
BUG: constant feature, outOfIndex
commit 2e68f1efca59772d1e905474c2392ad0d8b413c8
Author: é¢åæï¼Yan Facaiï¼ <[email protected]>
Date: 2017-04-07T04:15:09Z
TST: modify split's test case
commit 6a5806f35185596ffda2c88c4879ecaf0be3bda1
Author: é¢åæï¼Yan Facaiï¼ <[email protected]>
Date: 2017-04-07T04:24:02Z
CLN: move test case
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